老年人食物营养的合理选择尹清湖人生存所需的养料，一般分为蛋白质、脂肪、碳水化合物、维生素、无机盐和水等六大营养要素。这些营养素各有特殊功能，既不能缺少任何一种，又不能互相替代。人体的健康与营养密切相关，老年人如果营养摄取不足，质量不高，搭配不合理，会... Reasonable choice of food nutrition for the elderly Yin Qing Lake residents need nutrients, are generally divided into protein, fat, carbohydrates, vitamins, inorganic salts and water six major nutrients. Each of these nutrients has its own special function that can neither lack nor substitute for each other. Human health and nutrition are closely related to the elderly if nutritional intake, quality is not high, with unreasonable, will ...